selected frame.
@end defun
-@defun screen-height
-@defunx screen-width
-These functions are old aliases for @code{frame-height} and
-@code{frame-width}. When you are using a non-window terminal, the size
-of the frame is normally the same as the size of the terminal screen.
-@end defun
-
@defun frame-pixel-height &optional frame
@defunx frame-pixel-width &optional frame
These functions return the height and width of the main display area